<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta name="generator" content="ApiGen 2.8.0" />
	<meta name="robots" content="noindex" />

	<title>File system/helpers/text_helper.php | tis</title>

	<script type="text/javascript" src="resources/combined.js?1735077957"></script>
	<script type="text/javascript" src="elementlist.js?2977522689"></script>
	<link rel="stylesheet" type="text/css" media="all" href="resources/style.css?3505392360" />

</head>

<body>
<div id="left">
	<div id="menu">
		<a href="index.html" title="Overview"><span>Overview</span></a>


		<div id="groups">
			<h3>Packages</h3>
			<ul>
				<li><a href="package-CodeIgniter.html">CodeIgniter<span></span></a>
						<ul>
				<li><a href="package-CodeIgniter.Controllers.html">Controllers</a>
						</li>
				<li><a href="package-CodeIgniter.Drivers.html">Drivers</a>
						</li>
				<li><a href="package-CodeIgniter.Libraries.html">Libraries</a>
						</li>
				<li><a href="package-CodeIgniter.Models.html">Models</a>
						</li>
							</ul></li>
				<li class="active"><a href="package-None.html">None</a>
						</li>
			</ul>
		</div>

		<hr />


		<div id="elements">
			<h3>Classes</h3>
			<ul>
				<li><a href="class-CI_DB_Cache.html">CI_DB_Cache</a></li>
				<li><a href="class-CI_DB_cubrid_forge.html">CI_DB_cubrid_forge</a></li>
				<li><a href="class-CI_DB_cubrid_result.html">CI_DB_cubrid_result</a></li>
				<li><a href="class-CI_DB_cubrid_utility.html">CI_DB_cubrid_utility</a></li>
				<li><a href="class-CI_DB_forge.html">CI_DB_forge</a></li>
				<li><a href="class-CI_DB_mssql_forge.html">CI_DB_mssql_forge</a></li>
				<li><a href="class-CI_DB_mssql_result.html">CI_DB_mssql_result</a></li>
				<li><a href="class-CI_DB_mssql_utility.html">CI_DB_mssql_utility</a></li>
				<li><a href="class-CI_DB_mysql_forge.html">CI_DB_mysql_forge</a></li>
				<li><a href="class-CI_DB_mysql_result.html">CI_DB_mysql_result</a></li>
				<li><a href="class-CI_DB_mysql_utility.html">CI_DB_mysql_utility</a></li>
				<li><a href="class-CI_DB_mysqli_forge.html">CI_DB_mysqli_forge</a></li>
				<li><a href="class-CI_DB_mysqli_result.html">CI_DB_mysqli_result</a></li>
				<li><a href="class-CI_DB_mysqli_utility.html">CI_DB_mysqli_utility</a></li>
				<li><a href="class-CI_DB_oci8_driver.html">CI_DB_oci8_driver</a></li>
				<li><a href="class-CI_DB_oci8_forge.html">CI_DB_oci8_forge</a></li>
				<li><a href="class-CI_DB_oci8_result.html">CI_DB_oci8_result</a></li>
				<li><a href="class-CI_DB_oci8_utility.html">CI_DB_oci8_utility</a></li>
				<li><a href="class-CI_DB_odbc_forge.html">CI_DB_odbc_forge</a></li>
				<li><a href="class-CI_DB_odbc_result.html">CI_DB_odbc_result</a></li>
				<li><a href="class-CI_DB_odbc_utility.html">CI_DB_odbc_utility</a></li>
				<li><a href="class-CI_DB_pdo_forge.html">CI_DB_pdo_forge</a></li>
				<li><a href="class-CI_DB_pdo_result.html">CI_DB_pdo_result</a></li>
				<li><a href="class-CI_DB_pdo_utility.html">CI_DB_pdo_utility</a></li>
				<li><a href="class-CI_DB_postgre_forge.html">CI_DB_postgre_forge</a></li>
				<li><a href="class-CI_DB_postgre_result.html">CI_DB_postgre_result</a></li>
				<li><a href="class-CI_DB_postgre_utility.html">CI_DB_postgre_utility</a></li>
				<li><a href="class-CI_DB_result.html">CI_DB_result</a></li>
				<li><a href="class-CI_DB_sqlite_forge.html">CI_DB_sqlite_forge</a></li>
				<li><a href="class-CI_DB_sqlite_result.html">CI_DB_sqlite_result</a></li>
				<li><a href="class-CI_DB_sqlite_utility.html">CI_DB_sqlite_utility</a></li>
				<li><a href="class-CI_DB_sqlsrv_forge.html">CI_DB_sqlsrv_forge</a></li>
				<li><a href="class-CI_DB_sqlsrv_result.html">CI_DB_sqlsrv_result</a></li>
				<li><a href="class-CI_DB_sqlsrv_utility.html">CI_DB_sqlsrv_utility</a></li>
				<li><a href="class-CI_DB_utility.html">CI_DB_utility</a></li>
				<li><a href="class-CI_Typography.html">CI_Typography</a></li>
				<li><a href="class-User.html">User</a></li>
				<li><a href="class-XML_RPC_Client.html">XML_RPC_Client</a></li>
				<li><a href="class-XML_RPC_Message.html">XML_RPC_Message</a></li>
				<li><a href="class-XML_RPC_Response.html">XML_RPC_Response</a></li>
				<li><a href="class-XML_RPC_Values.html">XML_RPC_Values</a></li>
			</ul>





			<h3>Functions</h3>
			<ul>
				<li><a href="function-_attributes_to_string.html">_attributes_to_string</a></li>
				<li><a href="function-_exception_handler.html">_exception_handler</a></li>
				<li><a href="function-_get_smiley_array.html">_get_smiley_array</a></li>
				<li><a href="function-_get_validation_object.html">_get_validation_object</a></li>
				<li><a href="function-_list.html">_list</a></li>
				<li><a href="function-_parse_attributes.html">_parse_attributes</a></li>
				<li><a href="function-_parse_form_attributes.html">_parse_form_attributes</a></li>
				<li><a href="function-alternator.html">alternator</a></li>
				<li><a href="function-anchor.html">anchor</a></li>
				<li><a href="function-anchor_popup.html">anchor_popup</a></li>
				<li><a href="function-ascii_to_entities.html">ascii_to_entities</a></li>
				<li><a href="function-auto_link.html">auto_link</a></li>
				<li><a href="function-auto_typography.html">auto_typography</a></li>
				<li><a href="function-base_url.html">base_url</a></li>
				<li><a href="function-br.html">br</a></li>
				<li><a href="function-byte_format.html">byte_format</a></li>
				<li><a href="function-camelize.html">camelize</a></li>
				<li><a href="function-character_limiter.html">character_limiter</a></li>
				<li><a href="function-config_item.html">config_item</a></li>
				<li><a href="function-convert_accented_characters.html">convert_accented_characters</a></li>
				<li><a href="function-create_captcha.html">create_captcha</a></li>
				<li><a href="function-current_url.html">current_url</a></li>
				<li><a href="function-days_in_month.html">days_in_month</a></li>
				<li><a href="function-DB.html">DB</a></li>
				<li><a href="function-delete_cookie.html">delete_cookie</a></li>
				<li><a href="function-delete_files.html">delete_files</a></li>
				<li><a href="function-directory_map.html">directory_map</a></li>
				<li><a href="function-do_hash.html">do_hash</a></li>
				<li><a href="function-doctype.html">doctype</a></li>
				<li><a href="function-element.html">element</a></li>
				<li><a href="function-elements.html">elements</a></li>
				<li><a href="function-ellipsize.html">ellipsize</a></li>
				<li><a href="function-encode_php_tags.html">encode_php_tags</a></li>
				<li><a href="function-entities_to_ascii.html">entities_to_ascii</a></li>
				<li><a href="function-entity_decode.html">entity_decode</a></li>
				<li><a href="function-force_download.html">force_download</a></li>
				<li><a href="function-form_button.html">form_button</a></li>
				<li><a href="function-form_checkbox.html">form_checkbox</a></li>
				<li><a href="function-form_close.html">form_close</a></li>
				<li><a href="function-form_dropdown.html">form_dropdown</a></li>
				<li><a href="function-form_error.html">form_error</a></li>
				<li><a href="function-form_fieldset.html">form_fieldset</a></li>
				<li><a href="function-form_fieldset_close.html">form_fieldset_close</a></li>
				<li><a href="function-form_hidden.html">form_hidden</a></li>
				<li><a href="function-form_input.html">form_input</a></li>
				<li><a href="function-form_label.html">form_label</a></li>
				<li><a href="function-form_multiselect.html">form_multiselect</a></li>
				<li><a href="function-form_open.html">form_open</a></li>
				<li><a href="function-form_open_multipart.html">form_open_multipart</a></li>
				<li><a href="function-form_password.html">form_password</a></li>
				<li><a href="function-form_prep.html">form_prep</a></li>
				<li><a href="function-form_radio.html">form_radio</a></li>
				<li><a href="function-form_reset.html">form_reset</a></li>
				<li><a href="function-form_submit.html">form_submit</a></li>
				<li><a href="function-form_textarea.html">form_textarea</a></li>
				<li><a href="function-form_upload.html">form_upload</a></li>
				<li><a href="function-get_clickable_smileys.html">get_clickable_smileys</a></li>
				<li><a href="function-get_config.html">get_config</a></li>
				<li><a href="function-get_cookie.html">get_cookie</a></li>
				<li><a href="function-get_dir_file_info.html">get_dir_file_info</a></li>
				<li><a href="function-get_file_info.html">get_file_info</a></li>
				<li><a href="function-get_filenames.html">get_filenames</a></li>
				<li><a href="function-get_instance.html">get_instance</a></li>
				<li><a href="function-get_mime_by_extension.html">get_mime_by_extension</a></li>
				<li><a href="function-gmt_to_local.html">gmt_to_local</a></li>
				<li><a href="function-heading.html">heading</a></li>
				<li><a href="function-highlight_code.html">highlight_code</a></li>
				<li class="active"><a href="function-highlight_phrase.html">highlight_phrase</a></li>
				<li><a href="function-html_escape.html">html_escape</a></li>
				<li><a href="function-human_to_unix.html">human_to_unix</a></li>
				<li><a href="function-humanize.html">humanize</a></li>
				<li><a href="function-img.html">img</a></li>
				<li><a href="function-increment_string.html">increment_string</a></li>
				<li><a href="function-index_page.html">index_page</a></li>
				<li><a href="function-is_false.html">is_false</a></li>
				<li><a href="function-is_loaded.html">is_loaded</a></li>
				<li><a href="function-is_php.html">is_php</a></li>
				<li><a href="function-is_really_writable.html">is_really_writable</a></li>
				<li><a href="function-is_true.html">is_true</a></li>
				<li><a href="function-js_insert_smiley.html">js_insert_smiley</a></li>
				<li><a href="function-lang.html">lang</a></li>
				<li><a href="function-link_tag.html">link_tag</a></li>
				<li><a href="function-load_class.html">load_class</a></li>
				<li><a href="function-local_to_gmt.html">local_to_gmt</a></li>
				<li><a href="function-log_message.html">log_message</a></li>
				<li><a href="function-mailto.html">mailto</a></li>
				<li><a href="function-mdate.html">mdate</a></li>
				<li><a href="function-meta.html">meta</a></li>
				<li><a href="function-mysql_to_unix.html">mysql_to_unix</a></li>
				<li><a href="function-nbs.html">nbs</a></li>
				<li><a href="function-nl2br_except_pre.html">nl2br_except_pre</a></li>
				<li><a href="function-now.html">now</a></li>
				<li><a href="function-octal_permissions.html">octal_permissions</a></li>
				<li><a href="function-ol.html">ol</a></li>
				<li><a href="function-parse_smileys.html">parse_smileys</a></li>
				<li><a href="function-plural.html">plural</a></li>
				<li><a href="function-prep_url.html">prep_url</a></li>
				<li><a href="function-quotes_to_entities.html">quotes_to_entities</a></li>
				<li><a href="function-random_element.html">random_element</a></li>
				<li><a href="function-random_string.html">random_string</a></li>
				<li><a href="function-read_file.html">read_file</a></li>
				<li><a href="function-redirect.html">redirect</a></li>
				<li><a href="function-reduce_double_slashes.html">reduce_double_slashes</a></li>
				<li><a href="function-reduce_multiples.html">reduce_multiples</a></li>
				<li><a href="function-remove_invisible_characters.html">remove_invisible_characters</a></li>
				<li><a href="function-repeater.html">repeater</a></li>
				<li><a href="function-safe_mailto.html">safe_mailto</a></li>
				<li><a href="function-sanitize_filename.html">sanitize_filename</a></li>
				<li><a href="function-send_email.html">send_email</a></li>
				<li><a href="function-set_checkbox.html">set_checkbox</a></li>
				<li><a href="function-set_cookie.html">set_cookie</a></li>
				<li><a href="function-set_radio.html">set_radio</a></li>
				<li><a href="function-set_realpath.html">set_realpath</a></li>
				<li><a href="function-set_select.html">set_select</a></li>
				<li><a href="function-set_status_header.html">set_status_header</a></li>
				<li><a href="function-set_value.html">set_value</a></li>
				<li><a href="function-show_404.html">show_404</a></li>
				<li><a href="function-show_error.html">show_error</a></li>
				<li><a href="function-singular.html">singular</a></li>
				<li><a href="function-site_url.html">site_url</a></li>
				<li><a href="function-smiley_js.html">smiley_js</a></li>
				<li><a href="function-standard_date.html">standard_date</a></li>
				<li><a href="function-strip_image_tags.html">strip_image_tags</a></li>
				<li><a href="function-strip_quotes.html">strip_quotes</a></li>
				<li><a href="function-strip_slashes.html">strip_slashes</a></li>
				<li><a href="function-symbolic_permissions.html">symbolic_permissions</a></li>
				<li><a href="function-timespan.html">timespan</a></li>
				<li><a href="function-timezone_menu.html">timezone_menu</a></li>
				<li><a href="function-timezones.html">timezones</a></li>
				<li><a href="function-trim_slashes.html">trim_slashes</a></li>
				<li><a href="function-ul.html">ul</a></li>
				<li><a href="function-underscore.html">underscore</a></li>
				<li><a href="function-unix_to_human.html">unix_to_human</a></li>
				<li><a href="function-uri_string.html">uri_string</a></li>
				<li><a href="function-url_title.html">url_title</a></li>
				<li><a href="function-valid_email.html">valid_email</a></li>
				<li><a href="function-validation_errors.html">validation_errors</a></li>
				<li><a href="function-word_censor.html">word_censor</a></li>
				<li><a href="function-word_limiter.html">word_limiter</a></li>
				<li><a href="function-word_wrap.html">word_wrap</a></li>
				<li><a href="function-write_file.html">write_file</a></li>
				<li><a href="function-xml_convert.html">xml_convert</a></li>
				<li><a href="function-xss_clean.html">xss_clean</a></li>
			</ul>
		</div>
	</div>
</div>

<div id="splitter"></div>

<div id="right">
<div id="rightInner">
	<form id="search">
		<input type="hidden" name="cx" value="" />
		<input type="hidden" name="ie" value="UTF-8" />
		<input type="text" name="q" class="text" />
		<input type="submit" value="Search" />
	</form>

	<div id="navigation">
		<ul>
			<li>
				<a href="index.html" title="Overview"><span>Overview</span></a>
			</li>
			<li>
				<a href="package-None.html" title="Summary of None"><span>Package</span></a>
			</li>
			<li>
				<a href="function-highlight_phrase.html" title="Summary of highlight_phrase"><span>Function</span></a>
			</li>
		</ul>
		<ul>
			<li>
				<a href="tree.html" title="Tree view of classes, interfaces, traits and exceptions"><span>Tree</span></a>
			</li>
		</ul>
		<ul>
		</ul>
	</div>

<pre><code><span id="1" class="l"><a class="l" href="#1">  1: </a><span class="xlang">&lt;?php</span>  <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">defined</span>(<span class="php-quote">'BASEPATH'</span>)) <span class="php-keyword1">exit</span>(<span class="php-quote">'No direct script access allowed'</span>);
</span><span id="2" class="l"><a class="l" href="#2">  2: </a><span class="php-comment">/**
</span></span><span id="3" class="l"><a class="l" href="#3">  3: </a><span class="php-comment"> * CodeIgniter
</span></span><span id="4" class="l"><a class="l" href="#4">  4: </a><span class="php-comment"> *
</span></span><span id="5" class="l"><a class="l" href="#5">  5: </a><span class="php-comment"> * An open source application development framework for PHP 5.1.6 or newer
</span></span><span id="6" class="l"><a class="l" href="#6">  6: </a><span class="php-comment"> *
</span></span><span id="7" class="l"><a class="l" href="#7">  7: </a><span class="php-comment"> * @package     CodeIgniter
</span></span><span id="8" class="l"><a class="l" href="#8">  8: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="9" class="l"><a class="l" href="#9">  9: </a><span class="php-comment"> * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
</span></span><span id="10" class="l"><a class="l" href="#10"> 10: </a><span class="php-comment"> * @license     http://codeigniter.com/user_guide/license.html
</span></span><span id="11" class="l"><a class="l" href="#11"> 11: </a><span class="php-comment"> * @link        http://codeigniter.com
</span></span><span id="12" class="l"><a class="l" href="#12"> 12: </a><span class="php-comment"> * @since       Version 1.0
</span></span><span id="13" class="l"><a class="l" href="#13"> 13: </a><span class="php-comment"> * @filesource
</span></span><span id="14" class="l"><a class="l" href="#14"> 14: </a><span class="php-comment"> */</span>
</span><span id="15" class="l"><a class="l" href="#15"> 15: </a>
</span><span id="16" class="l"><a class="l" href="#16"> 16: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="17" class="l"><a class="l" href="#17"> 17: </a>
</span><span id="18" class="l"><a class="l" href="#18"> 18: </a><span class="php-comment">/**
</span></span><span id="19" class="l"><a class="l" href="#19"> 19: </a><span class="php-comment"> * CodeIgniter Text Helpers
</span></span><span id="20" class="l"><a class="l" href="#20"> 20: </a><span class="php-comment"> *
</span></span><span id="21" class="l"><a class="l" href="#21"> 21: </a><span class="php-comment"> * @package     CodeIgniter
</span></span><span id="22" class="l"><a class="l" href="#22"> 22: </a><span class="php-comment"> * @subpackage  Helpers
</span></span><span id="23" class="l"><a class="l" href="#23"> 23: </a><span class="php-comment"> * @category    Helpers
</span></span><span id="24" class="l"><a class="l" href="#24"> 24: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="25" class="l"><a class="l" href="#25"> 25: </a><span class="php-comment"> * @link        http://codeigniter.com/user_guide/helpers/text_helper.html
</span></span><span id="26" class="l"><a class="l" href="#26"> 26: </a><span class="php-comment"> */</span>
</span><span id="27" class="l"><a class="l" href="#27"> 27: </a>
</span><span id="28" class="l"><a class="l" href="#28"> 28: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="29" class="l"><a class="l" href="#29"> 29: </a>
</span><span id="30" class="l"><a class="l" href="#30"> 30: </a><span class="php-comment">/**
</span></span><span id="31" class="l"><a class="l" href="#31"> 31: </a><span class="php-comment"> * Word Limiter
</span></span><span id="32" class="l"><a class="l" href="#32"> 32: </a><span class="php-comment"> *
</span></span><span id="33" class="l"><a class="l" href="#33"> 33: </a><span class="php-comment"> * Limits a string to X number of words.
</span></span><span id="34" class="l"><a class="l" href="#34"> 34: </a><span class="php-comment"> *
</span></span><span id="35" class="l"><a class="l" href="#35"> 35: </a><span class="php-comment"> * @access  public
</span></span><span id="36" class="l"><a class="l" href="#36"> 36: </a><span class="php-comment"> * @param   string
</span></span><span id="37" class="l"><a class="l" href="#37"> 37: </a><span class="php-comment"> * @param   integer
</span></span><span id="38" class="l"><a class="l" href="#38"> 38: </a><span class="php-comment"> * @param   string  the end character. Usually an ellipsis
</span></span><span id="39" class="l"><a class="l" href="#39"> 39: </a><span class="php-comment"> * @return  string
</span></span><span id="40" class="l"><a class="l" href="#40"> 40: </a><span class="php-comment"> */</span>
</span><span id="41" class="l"><a class="l" href="#41"> 41: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'word_limiter'</span>))
</span><span id="42" class="l"><a class="l" href="#42"> 42: </a>{
</span><span id="43" class="l"><a class="l" href="#43"> 43: </a>    <span class="php-keyword1">function</span> <a id="_word_limiter" href="#_word_limiter">word_limiter</a>(<span class="php-var">$str</span>, <span class="php-var">$limit</span> = <span class="php-num">100</span>, <span class="php-var">$end_char</span> = <span class="php-quote">'&amp;#8230;'</span>)
</span><span id="44" class="l"><a class="l" href="#44"> 44: </a>    {
</span><span id="45" class="l"><a class="l" href="#45"> 45: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">trim</span>(<span class="php-var">$str</span>) == <span class="php-quote">''</span>)
</span><span id="46" class="l"><a class="l" href="#46"> 46: </a>        {
</span><span id="47" class="l"><a class="l" href="#47"> 47: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="48" class="l"><a class="l" href="#48"> 48: </a>        }
</span><span id="49" class="l"><a class="l" href="#49"> 49: </a>
</span><span id="50" class="l"><a class="l" href="#50"> 50: </a>        <span class="php-keyword2">preg_match</span>(<span class="php-quote">'/^\s*+(?:\S++\s*+){1,'</span>.(int) <span class="php-var">$limit</span>.<span class="php-quote">'}/'</span>, <span class="php-var">$str</span>, <span class="php-var">$matches</span>);
</span><span id="51" class="l"><a class="l" href="#51"> 51: </a>
</span><span id="52" class="l"><a class="l" href="#52"> 52: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>) == <span class="php-keyword2">strlen</span>(<span class="php-var">$matches</span>[<span class="php-num">0</span>]))
</span><span id="53" class="l"><a class="l" href="#53"> 53: </a>        {
</span><span id="54" class="l"><a class="l" href="#54"> 54: </a>            <span class="php-var">$end_char</span> = <span class="php-quote">''</span>;
</span><span id="55" class="l"><a class="l" href="#55"> 55: </a>        }
</span><span id="56" class="l"><a class="l" href="#56"> 56: </a>
</span><span id="57" class="l"><a class="l" href="#57"> 57: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">rtrim</span>(<span class="php-var">$matches</span>[<span class="php-num">0</span>]).<span class="php-var">$end_char</span>;
</span><span id="58" class="l"><a class="l" href="#58"> 58: </a>    }
</span><span id="59" class="l"><a class="l" href="#59"> 59: </a>}
</span><span id="60" class="l"><a class="l" href="#60"> 60: </a>
</span><span id="61" class="l"><a class="l" href="#61"> 61: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="62" class="l"><a class="l" href="#62"> 62: </a>
</span><span id="63" class="l"><a class="l" href="#63"> 63: </a><span class="php-comment">/**
</span></span><span id="64" class="l"><a class="l" href="#64"> 64: </a><span class="php-comment"> * Character Limiter
</span></span><span id="65" class="l"><a class="l" href="#65"> 65: </a><span class="php-comment"> *
</span></span><span id="66" class="l"><a class="l" href="#66"> 66: </a><span class="php-comment"> * Limits the string based on the character count.  Preserves complete words
</span></span><span id="67" class="l"><a class="l" href="#67"> 67: </a><span class="php-comment"> * so the character count may not be exactly as specified.
</span></span><span id="68" class="l"><a class="l" href="#68"> 68: </a><span class="php-comment"> *
</span></span><span id="69" class="l"><a class="l" href="#69"> 69: </a><span class="php-comment"> * @access  public
</span></span><span id="70" class="l"><a class="l" href="#70"> 70: </a><span class="php-comment"> * @param   string
</span></span><span id="71" class="l"><a class="l" href="#71"> 71: </a><span class="php-comment"> * @param   integer
</span></span><span id="72" class="l"><a class="l" href="#72"> 72: </a><span class="php-comment"> * @param   string  the end character. Usually an ellipsis
</span></span><span id="73" class="l"><a class="l" href="#73"> 73: </a><span class="php-comment"> * @return  string
</span></span><span id="74" class="l"><a class="l" href="#74"> 74: </a><span class="php-comment"> */</span>
</span><span id="75" class="l"><a class="l" href="#75"> 75: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'character_limiter'</span>))
</span><span id="76" class="l"><a class="l" href="#76"> 76: </a>{
</span><span id="77" class="l"><a class="l" href="#77"> 77: </a>    <span class="php-keyword1">function</span> <a id="_character_limiter" href="#_character_limiter">character_limiter</a>(<span class="php-var">$str</span>, <span class="php-var">$n</span> = <span class="php-num">500</span>, <span class="php-var">$end_char</span> = <span class="php-quote">'&amp;#8230;'</span>)
</span><span id="78" class="l"><a class="l" href="#78"> 78: </a>    {
</span><span id="79" class="l"><a class="l" href="#79"> 79: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>) &lt; <span class="php-var">$n</span>)
</span><span id="80" class="l"><a class="l" href="#80"> 80: </a>        {
</span><span id="81" class="l"><a class="l" href="#81"> 81: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="82" class="l"><a class="l" href="#82"> 82: </a>        }
</span><span id="83" class="l"><a class="l" href="#83"> 83: </a>
</span><span id="84" class="l"><a class="l" href="#84"> 84: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/\s+/&quot;</span>, <span class="php-quote">' '</span>, <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">&quot;\r\n&quot;</span>, <span class="php-quote">&quot;\r&quot;</span>, <span class="php-quote">&quot;\n&quot;</span>), <span class="php-quote">' '</span>, <span class="php-var">$str</span>));
</span><span id="85" class="l"><a class="l" href="#85"> 85: </a>
</span><span id="86" class="l"><a class="l" href="#86"> 86: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>) &lt;= <span class="php-var">$n</span>)
</span><span id="87" class="l"><a class="l" href="#87"> 87: </a>        {
</span><span id="88" class="l"><a class="l" href="#88"> 88: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="89" class="l"><a class="l" href="#89"> 89: </a>        }
</span><span id="90" class="l"><a class="l" href="#90"> 90: </a>
</span><span id="91" class="l"><a class="l" href="#91"> 91: </a>        <span class="php-var">$out</span> = <span class="php-quote">&quot;&quot;</span>;
</span><span id="92" class="l"><a class="l" href="#92"> 92: </a>        <span class="php-keyword1">foreach</span> (<span class="php-keyword2">explode</span>(<span class="php-quote">' '</span>, <span class="php-keyword2">trim</span>(<span class="php-var">$str</span>)) <span class="php-keyword1">as</span> <span class="php-var">$val</span>)
</span><span id="93" class="l"><a class="l" href="#93"> 93: </a>        {
</span><span id="94" class="l"><a class="l" href="#94"> 94: </a>            <span class="php-var">$out</span> .= <span class="php-var">$val</span>.<span class="php-quote">' '</span>;
</span><span id="95" class="l"><a class="l" href="#95"> 95: </a>
</span><span id="96" class="l"><a class="l" href="#96"> 96: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$out</span>) &gt;= <span class="php-var">$n</span>)
</span><span id="97" class="l"><a class="l" href="#97"> 97: </a>            {
</span><span id="98" class="l"><a class="l" href="#98"> 98: </a>                <span class="php-var">$out</span> = <span class="php-keyword2">trim</span>(<span class="php-var">$out</span>);
</span><span id="99" class="l"><a class="l" href="#99"> 99: </a>                <span class="php-keyword1">return</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$out</span>) == <span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>)) ? <span class="php-var">$out</span> : <span class="php-var">$out</span>.<span class="php-var">$end_char</span>;
</span><span id="100" class="l"><a class="l" href="#100">100: </a>            }
</span><span id="101" class="l"><a class="l" href="#101">101: </a>        }
</span><span id="102" class="l"><a class="l" href="#102">102: </a>    }
</span><span id="103" class="l"><a class="l" href="#103">103: </a>}
</span><span id="104" class="l"><a class="l" href="#104">104: </a>
</span><span id="105" class="l"><a class="l" href="#105">105: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="106" class="l"><a class="l" href="#106">106: </a>
</span><span id="107" class="l"><a class="l" href="#107">107: </a><span class="php-comment">/**
</span></span><span id="108" class="l"><a class="l" href="#108">108: </a><span class="php-comment"> * High ASCII to Entities
</span></span><span id="109" class="l"><a class="l" href="#109">109: </a><span class="php-comment"> *
</span></span><span id="110" class="l"><a class="l" href="#110">110: </a><span class="php-comment"> * Converts High ascii text and MS Word special characters to character entities
</span></span><span id="111" class="l"><a class="l" href="#111">111: </a><span class="php-comment"> *
</span></span><span id="112" class="l"><a class="l" href="#112">112: </a><span class="php-comment"> * @access  public
</span></span><span id="113" class="l"><a class="l" href="#113">113: </a><span class="php-comment"> * @param   string
</span></span><span id="114" class="l"><a class="l" href="#114">114: </a><span class="php-comment"> * @return  string
</span></span><span id="115" class="l"><a class="l" href="#115">115: </a><span class="php-comment"> */</span>
</span><span id="116" class="l"><a class="l" href="#116">116: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'ascii_to_entities'</span>))
</span><span id="117" class="l"><a class="l" href="#117">117: </a>{
</span><span id="118" class="l"><a class="l" href="#118">118: </a>    <span class="php-keyword1">function</span> <a id="_ascii_to_entities" href="#_ascii_to_entities">ascii_to_entities</a>(<span class="php-var">$str</span>)
</span><span id="119" class="l"><a class="l" href="#119">119: </a>    {
</span><span id="120" class="l"><a class="l" href="#120">120: </a>        <span class="php-var">$count</span>  = <span class="php-num">1</span>;
</span><span id="121" class="l"><a class="l" href="#121">121: </a>        <span class="php-var">$out</span>    = <span class="php-quote">''</span>;
</span><span id="122" class="l"><a class="l" href="#122">122: </a>        <span class="php-var">$temp</span>   = <span class="php-keyword1">array</span>();
</span><span id="123" class="l"><a class="l" href="#123">123: </a>
</span><span id="124" class="l"><a class="l" href="#124">124: </a>        <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$s</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>); <span class="php-var">$i</span> &lt; <span class="php-var">$s</span>; <span class="php-var">$i</span>++)
</span><span id="125" class="l"><a class="l" href="#125">125: </a>        {
</span><span id="126" class="l"><a class="l" href="#126">126: </a>            <span class="php-var">$ordinal</span> = <span class="php-keyword2">ord</span>(<span class="php-var">$str</span>[<span class="php-var">$i</span>]);
</span><span id="127" class="l"><a class="l" href="#127">127: </a>
</span><span id="128" class="l"><a class="l" href="#128">128: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$ordinal</span> &lt; <span class="php-num">128</span>)
</span><span id="129" class="l"><a class="l" href="#129">129: </a>            {
</span><span id="130" class="l"><a class="l" href="#130">130: </a>                <span class="php-comment">/*
</span></span><span id="131" class="l"><a class="l" href="#131">131: </a><span class="php-comment">                    If the $temp array has a value but we have moved on, then it seems only
</span></span><span id="132" class="l"><a class="l" href="#132">132: </a><span class="php-comment">                    fair that we output that entity and restart $temp before continuing. -Paul
</span></span><span id="133" class="l"><a class="l" href="#133">133: </a><span class="php-comment">                */</span>
</span><span id="134" class="l"><a class="l" href="#134">134: </a>                <span class="php-keyword1">if</span> (<span class="php-keyword2">count</span>(<span class="php-var">$temp</span>) == <span class="php-num">1</span>)
</span><span id="135" class="l"><a class="l" href="#135">135: </a>                {
</span><span id="136" class="l"><a class="l" href="#136">136: </a>                    <span class="php-var">$out</span>  .= <span class="php-quote">'&amp;#'</span>.<span class="php-keyword2">array_shift</span>(<span class="php-var">$temp</span>).<span class="php-quote">';'</span>;
</span><span id="137" class="l"><a class="l" href="#137">137: </a>                    <span class="php-var">$count</span> = <span class="php-num">1</span>;
</span><span id="138" class="l"><a class="l" href="#138">138: </a>                }
</span><span id="139" class="l"><a class="l" href="#139">139: </a>
</span><span id="140" class="l"><a class="l" href="#140">140: </a>                <span class="php-var">$out</span> .= <span class="php-var">$str</span>[<span class="php-var">$i</span>];
</span><span id="141" class="l"><a class="l" href="#141">141: </a>            }
</span><span id="142" class="l"><a class="l" href="#142">142: </a>            <span class="php-keyword1">else</span>
</span><span id="143" class="l"><a class="l" href="#143">143: </a>            {
</span><span id="144" class="l"><a class="l" href="#144">144: </a>                <span class="php-keyword1">if</span> (<span class="php-keyword2">count</span>(<span class="php-var">$temp</span>) == <span class="php-num">0</span>)
</span><span id="145" class="l"><a class="l" href="#145">145: </a>                {
</span><span id="146" class="l"><a class="l" href="#146">146: </a>                    <span class="php-var">$count</span> = (<span class="php-var">$ordinal</span> &lt; <span class="php-num">224</span>) ? <span class="php-num">2</span> : <span class="php-num">3</span>;
</span><span id="147" class="l"><a class="l" href="#147">147: </a>                }
</span><span id="148" class="l"><a class="l" href="#148">148: </a>
</span><span id="149" class="l"><a class="l" href="#149">149: </a>                <span class="php-var">$temp</span>[] = <span class="php-var">$ordinal</span>;
</span><span id="150" class="l"><a class="l" href="#150">150: </a>
</span><span id="151" class="l"><a class="l" href="#151">151: </a>                <span class="php-keyword1">if</span> (<span class="php-keyword2">count</span>(<span class="php-var">$temp</span>) == <span class="php-var">$count</span>)
</span><span id="152" class="l"><a class="l" href="#152">152: </a>                {
</span><span id="153" class="l"><a class="l" href="#153">153: </a>                    <span class="php-var">$number</span> = (<span class="php-var">$count</span> == <span class="php-num">3</span>) ? ((<span class="php-var">$temp</span>[<span class="php-quote">'0'</span>] % <span class="php-num">16</span>) * <span class="php-num">4096</span>) + ((<span class="php-var">$temp</span>[<span class="php-quote">'1'</span>] % <span class="php-num">64</span>) * <span class="php-num">64</span>) + (<span class="php-var">$temp</span>[<span class="php-quote">'2'</span>] % <span class="php-num">64</span>) : ((<span class="php-var">$temp</span>[<span class="php-quote">'0'</span>] % <span class="php-num">32</span>) * <span class="php-num">64</span>) + (<span class="php-var">$temp</span>[<span class="php-quote">'1'</span>] % <span class="php-num">64</span>);
</span><span id="154" class="l"><a class="l" href="#154">154: </a>
</span><span id="155" class="l"><a class="l" href="#155">155: </a>                    <span class="php-var">$out</span> .= <span class="php-quote">'&amp;#'</span>.<span class="php-var">$number</span>.<span class="php-quote">';'</span>;
</span><span id="156" class="l"><a class="l" href="#156">156: </a>                    <span class="php-var">$count</span> = <span class="php-num">1</span>;
</span><span id="157" class="l"><a class="l" href="#157">157: </a>                    <span class="php-var">$temp</span> = <span class="php-keyword1">array</span>();
</span><span id="158" class="l"><a class="l" href="#158">158: </a>                }
</span><span id="159" class="l"><a class="l" href="#159">159: </a>            }
</span><span id="160" class="l"><a class="l" href="#160">160: </a>        }
</span><span id="161" class="l"><a class="l" href="#161">161: </a>
</span><span id="162" class="l"><a class="l" href="#162">162: </a>        <span class="php-keyword1">return</span> <span class="php-var">$out</span>;
</span><span id="163" class="l"><a class="l" href="#163">163: </a>    }
</span><span id="164" class="l"><a class="l" href="#164">164: </a>}
</span><span id="165" class="l"><a class="l" href="#165">165: </a>
</span><span id="166" class="l"><a class="l" href="#166">166: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="167" class="l"><a class="l" href="#167">167: </a>
</span><span id="168" class="l"><a class="l" href="#168">168: </a><span class="php-comment">/**
</span></span><span id="169" class="l"><a class="l" href="#169">169: </a><span class="php-comment"> * Entities to ASCII
</span></span><span id="170" class="l"><a class="l" href="#170">170: </a><span class="php-comment"> *
</span></span><span id="171" class="l"><a class="l" href="#171">171: </a><span class="php-comment"> * Converts character entities back to ASCII
</span></span><span id="172" class="l"><a class="l" href="#172">172: </a><span class="php-comment"> *
</span></span><span id="173" class="l"><a class="l" href="#173">173: </a><span class="php-comment"> * @access  public
</span></span><span id="174" class="l"><a class="l" href="#174">174: </a><span class="php-comment"> * @param   string
</span></span><span id="175" class="l"><a class="l" href="#175">175: </a><span class="php-comment"> * @param   bool
</span></span><span id="176" class="l"><a class="l" href="#176">176: </a><span class="php-comment"> * @return  string
</span></span><span id="177" class="l"><a class="l" href="#177">177: </a><span class="php-comment"> */</span>
</span><span id="178" class="l"><a class="l" href="#178">178: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'entities_to_ascii'</span>))
</span><span id="179" class="l"><a class="l" href="#179">179: </a>{
</span><span id="180" class="l"><a class="l" href="#180">180: </a>    <span class="php-keyword1">function</span> <a id="_entities_to_ascii" href="#_entities_to_ascii">entities_to_ascii</a>(<span class="php-var">$str</span>, <span class="php-var">$all</span> = <span class="php-keyword1">TRUE</span>)
</span><span id="181" class="l"><a class="l" href="#181">181: </a>    {
</span><span id="182" class="l"><a class="l" href="#182">182: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match_all</span>(<span class="php-quote">'/\&amp;#(\d+)\;/'</span>, <span class="php-var">$str</span>, <span class="php-var">$matches</span>))
</span><span id="183" class="l"><a class="l" href="#183">183: </a>        {
</span><span id="184" class="l"><a class="l" href="#184">184: </a>            <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$s</span> = <span class="php-keyword2">count</span>(<span class="php-var">$matches</span>[<span class="php-quote">'0'</span>]); <span class="php-var">$i</span> &lt; <span class="php-var">$s</span>; <span class="php-var">$i</span>++)
</span><span id="185" class="l"><a class="l" href="#185">185: </a>            {
</span><span id="186" class="l"><a class="l" href="#186">186: </a>                <span class="php-var">$digits</span> = <span class="php-var">$matches</span>[<span class="php-quote">'1'</span>][<span class="php-var">$i</span>];
</span><span id="187" class="l"><a class="l" href="#187">187: </a>
</span><span id="188" class="l"><a class="l" href="#188">188: </a>                <span class="php-var">$out</span> = <span class="php-quote">''</span>;
</span><span id="189" class="l"><a class="l" href="#189">189: </a>
</span><span id="190" class="l"><a class="l" href="#190">190: </a>                <span class="php-keyword1">if</span> (<span class="php-var">$digits</span> &lt; <span class="php-num">128</span>)
</span><span id="191" class="l"><a class="l" href="#191">191: </a>                {
</span><span id="192" class="l"><a class="l" href="#192">192: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-var">$digits</span>);
</span><span id="193" class="l"><a class="l" href="#193">193: </a>
</span><span id="194" class="l"><a class="l" href="#194">194: </a>                }
</span><span id="195" class="l"><a class="l" href="#195">195: </a>                <span class="php-keyword1">elseif</span> (<span class="php-var">$digits</span> &lt; <span class="php-num">2048</span>)
</span><span id="196" class="l"><a class="l" href="#196">196: </a>                {
</span><span id="197" class="l"><a class="l" href="#197">197: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-num">192</span> + ((<span class="php-var">$digits</span> - (<span class="php-var">$digits</span> % <span class="php-num">64</span>)) / <span class="php-num">64</span>));
</span><span id="198" class="l"><a class="l" href="#198">198: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-num">128</span> + (<span class="php-var">$digits</span> % <span class="php-num">64</span>));
</span><span id="199" class="l"><a class="l" href="#199">199: </a>                }
</span><span id="200" class="l"><a class="l" href="#200">200: </a>                <span class="php-keyword1">else</span>
</span><span id="201" class="l"><a class="l" href="#201">201: </a>                {
</span><span id="202" class="l"><a class="l" href="#202">202: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-num">224</span> + ((<span class="php-var">$digits</span> - (<span class="php-var">$digits</span> % <span class="php-num">4096</span>)) / <span class="php-num">4096</span>));
</span><span id="203" class="l"><a class="l" href="#203">203: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-num">128</span> + (((<span class="php-var">$digits</span> % <span class="php-num">4096</span>) - (<span class="php-var">$digits</span> % <span class="php-num">64</span>)) / <span class="php-num">64</span>));
</span><span id="204" class="l"><a class="l" href="#204">204: </a>                    <span class="php-var">$out</span> .= <span class="php-keyword2">chr</span>(<span class="php-num">128</span> + (<span class="php-var">$digits</span> % <span class="php-num">64</span>));
</span><span id="205" class="l"><a class="l" href="#205">205: </a>                }
</span><span id="206" class="l"><a class="l" href="#206">206: </a>
</span><span id="207" class="l"><a class="l" href="#207">207: </a>                <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-var">$matches</span>[<span class="php-quote">'0'</span>][<span class="php-var">$i</span>], <span class="php-var">$out</span>, <span class="php-var">$str</span>);
</span><span id="208" class="l"><a class="l" href="#208">208: </a>            }
</span><span id="209" class="l"><a class="l" href="#209">209: </a>        }
</span><span id="210" class="l"><a class="l" href="#210">210: </a>
</span><span id="211" class="l"><a class="l" href="#211">211: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$all</span>)
</span><span id="212" class="l"><a class="l" href="#212">212: </a>        {
</span><span id="213" class="l"><a class="l" href="#213">213: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">&quot;&amp;amp;&quot;</span>, <span class="php-quote">&quot;&amp;lt;&quot;</span>, <span class="php-quote">&quot;&amp;gt;&quot;</span>, <span class="php-quote">&quot;&amp;quot;&quot;</span>, <span class="php-quote">&quot;&amp;apos;&quot;</span>, <span class="php-quote">&quot;&amp;#45;&quot;</span>),
</span><span id="214" class="l"><a class="l" href="#214">214: </a>                                <span class="php-keyword1">array</span>(<span class="php-quote">&quot;&amp;&quot;</span>,<span class="php-quote">&quot;&lt;&quot;</span>,<span class="php-quote">&quot;&gt;&quot;</span>,<span class="php-quote">&quot;\&quot;&quot;</span>, <span class="php-quote">&quot;'&quot;</span>, <span class="php-quote">&quot;-&quot;</span>),
</span><span id="215" class="l"><a class="l" href="#215">215: </a>                                <span class="php-var">$str</span>);
</span><span id="216" class="l"><a class="l" href="#216">216: </a>        }
</span><span id="217" class="l"><a class="l" href="#217">217: </a>
</span><span id="218" class="l"><a class="l" href="#218">218: </a>        <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="219" class="l"><a class="l" href="#219">219: </a>    }
</span><span id="220" class="l"><a class="l" href="#220">220: </a>}
</span><span id="221" class="l"><a class="l" href="#221">221: </a>
</span><span id="222" class="l"><a class="l" href="#222">222: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="223" class="l"><a class="l" href="#223">223: </a>
</span><span id="224" class="l"><a class="l" href="#224">224: </a><span class="php-comment">/**
</span></span><span id="225" class="l"><a class="l" href="#225">225: </a><span class="php-comment"> * Word Censoring Function
</span></span><span id="226" class="l"><a class="l" href="#226">226: </a><span class="php-comment"> *
</span></span><span id="227" class="l"><a class="l" href="#227">227: </a><span class="php-comment"> * Supply a string and an array of disallowed words and any
</span></span><span id="228" class="l"><a class="l" href="#228">228: </a><span class="php-comment"> * matched words will be converted to #### or to the replacement
</span></span><span id="229" class="l"><a class="l" href="#229">229: </a><span class="php-comment"> * word you've submitted.
</span></span><span id="230" class="l"><a class="l" href="#230">230: </a><span class="php-comment"> *
</span></span><span id="231" class="l"><a class="l" href="#231">231: </a><span class="php-comment"> * @access  public
</span></span><span id="232" class="l"><a class="l" href="#232">232: </a><span class="php-comment"> * @param   string  the text string
</span></span><span id="233" class="l"><a class="l" href="#233">233: </a><span class="php-comment"> * @param   string  the array of censoered words
</span></span><span id="234" class="l"><a class="l" href="#234">234: </a><span class="php-comment"> * @param   string  the optional replacement value
</span></span><span id="235" class="l"><a class="l" href="#235">235: </a><span class="php-comment"> * @return  string
</span></span><span id="236" class="l"><a class="l" href="#236">236: </a><span class="php-comment"> */</span>
</span><span id="237" class="l"><a class="l" href="#237">237: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'word_censor'</span>))
</span><span id="238" class="l"><a class="l" href="#238">238: </a>{
</span><span id="239" class="l"><a class="l" href="#239">239: </a>    <span class="php-keyword1">function</span> <a id="_word_censor" href="#_word_censor">word_censor</a>(<span class="php-var">$str</span>, <span class="php-var">$censored</span>, <span class="php-var">$replacement</span> = <span class="php-quote">''</span>)
</span><span id="240" class="l"><a class="l" href="#240">240: </a>    {
</span><span id="241" class="l"><a class="l" href="#241">241: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">is_array</span>(<span class="php-var">$censored</span>))
</span><span id="242" class="l"><a class="l" href="#242">242: </a>        {
</span><span id="243" class="l"><a class="l" href="#243">243: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="244" class="l"><a class="l" href="#244">244: </a>        }
</span><span id="245" class="l"><a class="l" href="#245">245: </a>
</span><span id="246" class="l"><a class="l" href="#246">246: </a>        <span class="php-var">$str</span> = <span class="php-quote">' '</span>.<span class="php-var">$str</span>.<span class="php-quote">' '</span>;
</span><span id="247" class="l"><a class="l" href="#247">247: </a>
</span><span id="248" class="l"><a class="l" href="#248">248: </a>        <span class="php-comment">// \w, \b and a few others do not match on a unicode character</span>
</span><span id="249" class="l"><a class="l" href="#249">249: </a>        <span class="php-comment">// set for performance reasons. As a result words like über</span>
</span><span id="250" class="l"><a class="l" href="#250">250: </a>        <span class="php-comment">// will not match on a word boundary. Instead, we'll assume that</span>
</span><span id="251" class="l"><a class="l" href="#251">251: </a>        <span class="php-comment">// a bad word will be bookeneded by any of these characters.</span>
</span><span id="252" class="l"><a class="l" href="#252">252: </a>        <span class="php-var">$delim</span> = <span class="php-quote">'[-_\'\&quot;`(){}&lt;&gt;\[\]|!?@#%&amp;,.:;^~*+=\/ 0-9\n\r\t]'</span>;
</span><span id="253" class="l"><a class="l" href="#253">253: </a>
</span><span id="254" class="l"><a class="l" href="#254">254: </a>        <span class="php-keyword1">foreach</span> (<span class="php-var">$censored</span> <span class="php-keyword1">as</span> <span class="php-var">$badword</span>)
</span><span id="255" class="l"><a class="l" href="#255">255: </a>        {
</span><span id="256" class="l"><a class="l" href="#256">256: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$replacement</span> != <span class="php-quote">''</span>)
</span><span id="257" class="l"><a class="l" href="#257">257: </a>            {
</span><span id="258" class="l"><a class="l" href="#258">258: </a>                <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/(</span><span class="php-var">{$delim}</span><span class="php-quote">)(&quot;</span>.<span class="php-keyword2">str_replace</span>(<span class="php-quote">'\*'</span>, <span class="php-quote">'\w*?'</span>, <span class="php-keyword2">preg_quote</span>(<span class="php-var">$badword</span>, <span class="php-quote">'/'</span>)).<span class="php-quote">&quot;)(</span><span class="php-var">{$delim}</span><span class="php-quote">)/i&quot;</span>, <span class="php-quote">&quot;\\1</span><span class="php-var">{$replacement}</span><span class="php-quote">\\3&quot;</span>, <span class="php-var">$str</span>);
</span><span id="259" class="l"><a class="l" href="#259">259: </a>            }
</span><span id="260" class="l"><a class="l" href="#260">260: </a>            <span class="php-keyword1">else</span>
</span><span id="261" class="l"><a class="l" href="#261">261: </a>            {
</span><span id="262" class="l"><a class="l" href="#262">262: </a>                <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;/(</span><span class="php-var">{$delim}</span><span class="php-quote">)(&quot;</span>.<span class="php-keyword2">str_replace</span>(<span class="php-quote">'\*'</span>, <span class="php-quote">'\w*?'</span>, <span class="php-keyword2">preg_quote</span>(<span class="php-var">$badword</span>, <span class="php-quote">'/'</span>)).<span class="php-quote">&quot;)(</span><span class="php-var">{$delim}</span><span class="php-quote">)/ie&quot;</span>, <span class="php-quote">&quot;'\\1'.str_repeat('#', strlen('\\2')).'\\3'&quot;</span>, <span class="php-var">$str</span>);
</span><span id="263" class="l"><a class="l" href="#263">263: </a>            }
</span><span id="264" class="l"><a class="l" href="#264">264: </a>        }
</span><span id="265" class="l"><a class="l" href="#265">265: </a>
</span><span id="266" class="l"><a class="l" href="#266">266: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">trim</span>(<span class="php-var">$str</span>);
</span><span id="267" class="l"><a class="l" href="#267">267: </a>    }
</span><span id="268" class="l"><a class="l" href="#268">268: </a>}
</span><span id="269" class="l"><a class="l" href="#269">269: </a>
</span><span id="270" class="l"><a class="l" href="#270">270: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="271" class="l"><a class="l" href="#271">271: </a>
</span><span id="272" class="l"><a class="l" href="#272">272: </a><span class="php-comment">/**
</span></span><span id="273" class="l"><a class="l" href="#273">273: </a><span class="php-comment"> * Code Highlighter
</span></span><span id="274" class="l"><a class="l" href="#274">274: </a><span class="php-comment"> *
</span></span><span id="275" class="l"><a class="l" href="#275">275: </a><span class="php-comment"> * Colorizes code strings
</span></span><span id="276" class="l"><a class="l" href="#276">276: </a><span class="php-comment"> *
</span></span><span id="277" class="l"><a class="l" href="#277">277: </a><span class="php-comment"> * @access  public
</span></span><span id="278" class="l"><a class="l" href="#278">278: </a><span class="php-comment"> * @param   string  the text string
</span></span><span id="279" class="l"><a class="l" href="#279">279: </a><span class="php-comment"> * @return  string
</span></span><span id="280" class="l"><a class="l" href="#280">280: </a><span class="php-comment"> */</span>
</span><span id="281" class="l"><a class="l" href="#281">281: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'highlight_code'</span>))
</span><span id="282" class="l"><a class="l" href="#282">282: </a>{
</span><span id="283" class="l"><a class="l" href="#283">283: </a>    <span class="php-keyword1">function</span> <a id="_highlight_code" href="#_highlight_code">highlight_code</a>(<span class="php-var">$str</span>)
</span><span id="284" class="l"><a class="l" href="#284">284: </a>    {
</span><span id="285" class="l"><a class="l" href="#285">285: </a>        <span class="php-comment">// The highlight string function encodes and highlights</span>
</span><span id="286" class="l"><a class="l" href="#286">286: </a>        <span class="php-comment">// brackets so we need them to start raw</span>
</span><span id="287" class="l"><a class="l" href="#287">287: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">'&amp;lt;'</span>, <span class="php-quote">'&amp;gt;'</span>), <span class="php-keyword1">array</span>(<span class="php-quote">'&lt;'</span>, <span class="php-quote">'&gt;'</span>), <span class="php-var">$str</span>);
</span><span id="288" class="l"><a class="l" href="#288">288: </a>
</span><span id="289" class="l"><a class="l" href="#289">289: </a>        <span class="php-comment">// Replace any existing PHP tags to temporary markers so they don't accidentally</span>
</span><span id="290" class="l"><a class="l" href="#290">290: </a>        <span class="php-comment">// break the string out of PHP, and thus, thwart the highlighting.</span>
</span><span id="291" class="l"><a class="l" href="#291">291: </a>
</span><span id="292" class="l"><a class="l" href="#292">292: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">'&lt;?'</span>, <span class="php-quote">'?&gt;'</span>, <span class="php-quote">'&lt;%'</span>, <span class="php-quote">'%&gt;'</span>, <span class="php-quote">'\\'</span>, <span class="php-quote">'&lt;/script&gt;'</span>),
</span><span id="293" class="l"><a class="l" href="#293">293: </a>                            <span class="php-keyword1">array</span>(<span class="php-quote">'phptagopen'</span>, <span class="php-quote">'phptagclose'</span>, <span class="php-quote">'asptagopen'</span>, <span class="php-quote">'asptagclose'</span>, <span class="php-quote">'backslashtmp'</span>, <span class="php-quote">'scriptclose'</span>), <span class="php-var">$str</span>);
</span><span id="294" class="l"><a class="l" href="#294">294: </a>
</span><span id="295" class="l"><a class="l" href="#295">295: </a>        <span class="php-comment">// The highlight_string function requires that the text be surrounded</span>
</span><span id="296" class="l"><a class="l" href="#296">296: </a>        <span class="php-comment">// by PHP tags, which we will remove later</span>
</span><span id="297" class="l"><a class="l" href="#297">297: </a>        <span class="php-var">$str</span> = <span class="php-quote">'&lt;?php '</span>.<span class="php-var">$str</span>.<span class="php-quote">' ?&gt;'</span>; <span class="php-comment">// &lt;?</span>
</span><span id="298" class="l"><a class="l" href="#298">298: </a>
</span><span id="299" class="l"><a class="l" href="#299">299: </a>        <span class="php-comment">// All the magic happens here, baby!</span>
</span><span id="300" class="l"><a class="l" href="#300">300: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">highlight_string</span>(<span class="php-var">$str</span>, <span class="php-keyword1">TRUE</span>);
</span><span id="301" class="l"><a class="l" href="#301">301: </a>
</span><span id="302" class="l"><a class="l" href="#302">302: </a>        <span class="php-comment">// Prior to PHP 5, the highligh function used icky &lt;font&gt; tags</span>
</span><span id="303" class="l"><a class="l" href="#303">303: </a>        <span class="php-comment">// so we'll replace them with &lt;span&gt; tags.</span>
</span><span id="304" class="l"><a class="l" href="#304">304: </a>
</span><span id="305" class="l"><a class="l" href="#305">305: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">abs</span>(PHP_VERSION) &lt; <span class="php-num">5</span>)
</span><span id="306" class="l"><a class="l" href="#306">306: </a>        {
</span><span id="307" class="l"><a class="l" href="#307">307: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">'&lt;font '</span>, <span class="php-quote">'&lt;/font&gt;'</span>), <span class="php-keyword1">array</span>(<span class="php-quote">'&lt;span '</span>, <span class="php-quote">'&lt;/span&gt;'</span>), <span class="php-var">$str</span>);
</span><span id="308" class="l"><a class="l" href="#308">308: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'#color=&quot;(.*?)&quot;#'</span>, <span class="php-quote">'style=&quot;color: \\1&quot;'</span>, <span class="php-var">$str</span>);
</span><span id="309" class="l"><a class="l" href="#309">309: </a>        }
</span><span id="310" class="l"><a class="l" href="#310">310: </a>
</span><span id="311" class="l"><a class="l" href="#311">311: </a>        <span class="php-comment">// Remove our artificially added PHP, and the syntax highlighting that came with it</span>
</span><span id="312" class="l"><a class="l" href="#312">312: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'/&lt;span style=&quot;color: #([A-Z0-9]+)&quot;&gt;&amp;lt;\?php(&amp;nbsp;| )/i'</span>, <span class="php-quote">'&lt;span style=&quot;color: #$1&quot;&gt;'</span>, <span class="php-var">$str</span>);
</span><span id="313" class="l"><a class="l" href="#313">313: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'/(&lt;span style=&quot;color: #[A-Z0-9]+&quot;&gt;.*?)\?&amp;gt;&lt;\/span&gt;\n&lt;\/span&gt;\n&lt;\/code&gt;/is'</span>, <span class="php-quote">&quot;</span><span class="php-var">$1</span><span class="php-quote">&lt;/span&gt;\n&lt;/span&gt;\n&lt;/code&gt;&quot;</span>, <span class="php-var">$str</span>);
</span><span id="314" class="l"><a class="l" href="#314">314: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'/&lt;span style=&quot;color: #[A-Z0-9]+&quot;\&gt;&lt;\/span&gt;/i'</span>, <span class="php-quote">''</span>, <span class="php-var">$str</span>);
</span><span id="315" class="l"><a class="l" href="#315">315: </a>
</span><span id="316" class="l"><a class="l" href="#316">316: </a>        <span class="php-comment">// Replace our markers back to PHP tags.</span>
</span><span id="317" class="l"><a class="l" href="#317">317: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">'phptagopen'</span>, <span class="php-quote">'phptagclose'</span>, <span class="php-quote">'asptagopen'</span>, <span class="php-quote">'asptagclose'</span>, <span class="php-quote">'backslashtmp'</span>, <span class="php-quote">'scriptclose'</span>),
</span><span id="318" class="l"><a class="l" href="#318">318: </a>                            <span class="php-keyword1">array</span>(<span class="php-quote">'&amp;lt;?'</span>, <span class="php-quote">'?&amp;gt;'</span>, <span class="php-quote">'&amp;lt;%'</span>, <span class="php-quote">'%&amp;gt;'</span>, <span class="php-quote">'\\'</span>, <span class="php-quote">'&amp;lt;/script&amp;gt;'</span>), <span class="php-var">$str</span>);
</span><span id="319" class="l"><a class="l" href="#319">319: </a>
</span><span id="320" class="l"><a class="l" href="#320">320: </a>        <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="321" class="l"><a class="l" href="#321">321: </a>    }
</span><span id="322" class="l"><a class="l" href="#322">322: </a>}
</span><span id="323" class="l"><a class="l" href="#323">323: </a>
</span><span id="324" class="l"><a class="l" href="#324">324: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="325" class="l"><a class="l" href="#325">325: </a>
</span><span id="326" class="l"><a class="l" href="#326">326: </a><span class="php-comment">/**
</span></span><span id="327" class="l"><a class="l" href="#327">327: </a><span class="php-comment"> * Phrase Highlighter
</span></span><span id="328" class="l"><a class="l" href="#328">328: </a><span class="php-comment"> *
</span></span><span id="329" class="l"><a class="l" href="#329">329: </a><span class="php-comment"> * Highlights a phrase within a text string
</span></span><span id="330" class="l"><a class="l" href="#330">330: </a><span class="php-comment"> *
</span></span><span id="331" class="l"><a class="l" href="#331">331: </a><span class="php-comment"> * @access  public
</span></span><span id="332" class="l"><a class="l" href="#332">332: </a><span class="php-comment"> * @param   string  the text string
</span></span><span id="333" class="l"><a class="l" href="#333">333: </a><span class="php-comment"> * @param   string  the phrase you'd like to highlight
</span></span><span id="334" class="l"><a class="l" href="#334">334: </a><span class="php-comment"> * @param   string  the openging tag to precede the phrase with
</span></span><span id="335" class="l"><a class="l" href="#335">335: </a><span class="php-comment"> * @param   string  the closing tag to end the phrase with
</span></span><span id="336" class="l"><a class="l" href="#336">336: </a><span class="php-comment"> * @return  string
</span></span><span id="337" class="l"><a class="l" href="#337">337: </a><span class="php-comment"> */</span>
</span><span id="338" class="l"><a class="l" href="#338">338: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'highlight_phrase'</span>))
</span><span id="339" class="l"><a class="l" href="#339">339: </a>{
</span><span id="340" class="l"><a class="l" href="#340">340: </a>    <span class="php-keyword1">function</span> <a id="_highlight_phrase" href="#_highlight_phrase">highlight_phrase</a>(<span class="php-var">$str</span>, <span class="php-var">$phrase</span>, <span class="php-var">$tag_open</span> = <span class="php-quote">'&lt;strong&gt;'</span>, <span class="php-var">$tag_close</span> = <span class="php-quote">'&lt;/strong&gt;'</span>)
</span><span id="341" class="l"><a class="l" href="#341">341: </a>    {
</span><span id="342" class="l"><a class="l" href="#342">342: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$str</span> == <span class="php-quote">''</span>)
</span><span id="343" class="l"><a class="l" href="#343">343: </a>        {
</span><span id="344" class="l"><a class="l" href="#344">344: </a>            <span class="php-keyword1">return</span> <span class="php-quote">''</span>;
</span><span id="345" class="l"><a class="l" href="#345">345: </a>        }
</span><span id="346" class="l"><a class="l" href="#346">346: </a>
</span><span id="347" class="l"><a class="l" href="#347">347: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$phrase</span> != <span class="php-quote">''</span>)
</span><span id="348" class="l"><a class="l" href="#348">348: </a>        {
</span><span id="349" class="l"><a class="l" href="#349">349: </a>            <span class="php-keyword1">return</span> <span class="php-keyword2">preg_replace</span>(<span class="php-quote">'/('</span>.<span class="php-keyword2">preg_quote</span>(<span class="php-var">$phrase</span>, <span class="php-quote">'/'</span>).<span class="php-quote">')/i'</span>, <span class="php-var">$tag_open</span>.<span class="php-quote">&quot;\\1&quot;</span>.<span class="php-var">$tag_close</span>, <span class="php-var">$str</span>);
</span><span id="350" class="l"><a class="l" href="#350">350: </a>        }
</span><span id="351" class="l"><a class="l" href="#351">351: </a>
</span><span id="352" class="l"><a class="l" href="#352">352: </a>        <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="353" class="l"><a class="l" href="#353">353: </a>    }
</span><span id="354" class="l"><a class="l" href="#354">354: </a>}
</span><span id="355" class="l"><a class="l" href="#355">355: </a>
</span><span id="356" class="l"><a class="l" href="#356">356: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="357" class="l"><a class="l" href="#357">357: </a>
</span><span id="358" class="l"><a class="l" href="#358">358: </a><span class="php-comment">/**
</span></span><span id="359" class="l"><a class="l" href="#359">359: </a><span class="php-comment"> * Convert Accented Foreign Characters to ASCII
</span></span><span id="360" class="l"><a class="l" href="#360">360: </a><span class="php-comment"> *
</span></span><span id="361" class="l"><a class="l" href="#361">361: </a><span class="php-comment"> * @access  public
</span></span><span id="362" class="l"><a class="l" href="#362">362: </a><span class="php-comment"> * @param   string  the text string
</span></span><span id="363" class="l"><a class="l" href="#363">363: </a><span class="php-comment"> * @return  string
</span></span><span id="364" class="l"><a class="l" href="#364">364: </a><span class="php-comment"> */</span>
</span><span id="365" class="l"><a class="l" href="#365">365: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'convert_accented_characters'</span>))
</span><span id="366" class="l"><a class="l" href="#366">366: </a>{
</span><span id="367" class="l"><a class="l" href="#367">367: </a>    <span class="php-keyword1">function</span> <a id="_convert_accented_characters" href="#_convert_accented_characters">convert_accented_characters</a>(<span class="php-var">$str</span>)
</span><span id="368" class="l"><a class="l" href="#368">368: </a>    {
</span><span id="369" class="l"><a class="l" href="#369">369: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">defined</span>(<span class="php-quote">'ENVIRONMENT'</span>) <span class="php-keyword1">AND</span> <span class="php-keyword2">is_file</span>(APPPATH.<span class="php-quote">'config/'</span>.ENVIRONMENT.<span class="php-quote">'/foreign_chars.php'</span>))
</span><span id="370" class="l"><a class="l" href="#370">370: </a>        {
</span><span id="371" class="l"><a class="l" href="#371">371: </a>            <span class="php-keyword1">include</span>(APPPATH.<span class="php-quote">'config/'</span>.ENVIRONMENT.<span class="php-quote">'/foreign_chars.php'</span>);
</span><span id="372" class="l"><a class="l" href="#372">372: </a>        }
</span><span id="373" class="l"><a class="l" href="#373">373: </a>        <span class="php-keyword1">elseif</span> (<span class="php-keyword2">is_file</span>(APPPATH.<span class="php-quote">'config/foreign_chars.php'</span>))
</span><span id="374" class="l"><a class="l" href="#374">374: </a>        {
</span><span id="375" class="l"><a class="l" href="#375">375: </a>            <span class="php-keyword1">include</span>(APPPATH.<span class="php-quote">'config/foreign_chars.php'</span>);
</span><span id="376" class="l"><a class="l" href="#376">376: </a>        }
</span><span id="377" class="l"><a class="l" href="#377">377: </a>
</span><span id="378" class="l"><a class="l" href="#378">378: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword1">isset</span>(<span class="php-var">$foreign_characters</span>))
</span><span id="379" class="l"><a class="l" href="#379">379: </a>        {
</span><span id="380" class="l"><a class="l" href="#380">380: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="381" class="l"><a class="l" href="#381">381: </a>        }
</span><span id="382" class="l"><a class="l" href="#382">382: </a>
</span><span id="383" class="l"><a class="l" href="#383">383: </a>        <span class="php-keyword1">return</span> <span class="php-keyword2">preg_replace</span>(<span class="php-keyword2">array_keys</span>(<span class="php-var">$foreign_characters</span>), <span class="php-keyword2">array_values</span>(<span class="php-var">$foreign_characters</span>), <span class="php-var">$str</span>);
</span><span id="384" class="l"><a class="l" href="#384">384: </a>    }
</span><span id="385" class="l"><a class="l" href="#385">385: </a>}
</span><span id="386" class="l"><a class="l" href="#386">386: </a>
</span><span id="387" class="l"><a class="l" href="#387">387: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="388" class="l"><a class="l" href="#388">388: </a>
</span><span id="389" class="l"><a class="l" href="#389">389: </a><span class="php-comment">/**
</span></span><span id="390" class="l"><a class="l" href="#390">390: </a><span class="php-comment"> * Word Wrap
</span></span><span id="391" class="l"><a class="l" href="#391">391: </a><span class="php-comment"> *
</span></span><span id="392" class="l"><a class="l" href="#392">392: </a><span class="php-comment"> * Wraps text at the specified character.  Maintains the integrity of words.
</span></span><span id="393" class="l"><a class="l" href="#393">393: </a><span class="php-comment"> * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
</span></span><span id="394" class="l"><a class="l" href="#394">394: </a><span class="php-comment"> * will URLs.
</span></span><span id="395" class="l"><a class="l" href="#395">395: </a><span class="php-comment"> *
</span></span><span id="396" class="l"><a class="l" href="#396">396: </a><span class="php-comment"> * @access  public
</span></span><span id="397" class="l"><a class="l" href="#397">397: </a><span class="php-comment"> * @param   string  the text string
</span></span><span id="398" class="l"><a class="l" href="#398">398: </a><span class="php-comment"> * @param   integer the number of characters to wrap at
</span></span><span id="399" class="l"><a class="l" href="#399">399: </a><span class="php-comment"> * @return  string
</span></span><span id="400" class="l"><a class="l" href="#400">400: </a><span class="php-comment"> */</span>
</span><span id="401" class="l"><a class="l" href="#401">401: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'word_wrap'</span>))
</span><span id="402" class="l"><a class="l" href="#402">402: </a>{
</span><span id="403" class="l"><a class="l" href="#403">403: </a>    <span class="php-keyword1">function</span> <a id="_word_wrap" href="#_word_wrap">word_wrap</a>(<span class="php-var">$str</span>, <span class="php-var">$charlim</span> = <span class="php-quote">'76'</span>)
</span><span id="404" class="l"><a class="l" href="#404">404: </a>    {
</span><span id="405" class="l"><a class="l" href="#405">405: </a>        <span class="php-comment">// Se the character limit</span>
</span><span id="406" class="l"><a class="l" href="#406">406: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">is_numeric</span>(<span class="php-var">$charlim</span>))
</span><span id="407" class="l"><a class="l" href="#407">407: </a>            <span class="php-var">$charlim</span> = <span class="php-num">76</span>;
</span><span id="408" class="l"><a class="l" href="#408">408: </a>
</span><span id="409" class="l"><a class="l" href="#409">409: </a>        <span class="php-comment">// Reduce multiple spaces</span>
</span><span id="410" class="l"><a class="l" href="#410">410: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">preg_replace</span>(<span class="php-quote">&quot;| +|&quot;</span>, <span class="php-quote">&quot; &quot;</span>, <span class="php-var">$str</span>);
</span><span id="411" class="l"><a class="l" href="#411">411: </a>
</span><span id="412" class="l"><a class="l" href="#412">412: </a>        <span class="php-comment">// Standardize newlines</span>
</span><span id="413" class="l"><a class="l" href="#413">413: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strpos</span>(<span class="php-var">$str</span>, <span class="php-quote">&quot;\r&quot;</span>) !== <span class="php-keyword1">FALSE</span>)
</span><span id="414" class="l"><a class="l" href="#414">414: </a>        {
</span><span id="415" class="l"><a class="l" href="#415">415: </a>            <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">&quot;\r\n&quot;</span>, <span class="php-quote">&quot;\r&quot;</span>), <span class="php-quote">&quot;\n&quot;</span>, <span class="php-var">$str</span>);
</span><span id="416" class="l"><a class="l" href="#416">416: </a>        }
</span><span id="417" class="l"><a class="l" href="#417">417: </a>
</span><span id="418" class="l"><a class="l" href="#418">418: </a>        <span class="php-comment">// If the current word is surrounded by {unwrap} tags we'll</span>
</span><span id="419" class="l"><a class="l" href="#419">419: </a>        <span class="php-comment">// strip the entire chunk and replace it with a marker.</span>
</span><span id="420" class="l"><a class="l" href="#420">420: </a>        <span class="php-var">$unwrap</span> = <span class="php-keyword1">array</span>();
</span><span id="421" class="l"><a class="l" href="#421">421: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match_all</span>(<span class="php-quote">&quot;|(\{unwrap\}.+?\{/unwrap\})|s&quot;</span>, <span class="php-var">$str</span>, <span class="php-var">$matches</span>))
</span><span id="422" class="l"><a class="l" href="#422">422: </a>        {
</span><span id="423" class="l"><a class="l" href="#423">423: </a>            <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> &lt; <span class="php-keyword2">count</span>(<span class="php-var">$matches</span>[<span class="php-quote">'0'</span>]); <span class="php-var">$i</span>++)
</span><span id="424" class="l"><a class="l" href="#424">424: </a>            {
</span><span id="425" class="l"><a class="l" href="#425">425: </a>                <span class="php-var">$unwrap</span>[] = <span class="php-var">$matches</span>[<span class="php-quote">'1'</span>][<span class="php-var">$i</span>];
</span><span id="426" class="l"><a class="l" href="#426">426: </a>                <span class="php-var">$str</span> = <span class="php-keyword2">str_replace</span>(<span class="php-var">$matches</span>[<span class="php-quote">'1'</span>][<span class="php-var">$i</span>], <span class="php-quote">&quot;{{unwrapped&quot;</span>.<span class="php-var">$i</span>.<span class="php-quote">&quot;}}&quot;</span>, <span class="php-var">$str</span>);
</span><span id="427" class="l"><a class="l" href="#427">427: </a>            }
</span><span id="428" class="l"><a class="l" href="#428">428: </a>        }
</span><span id="429" class="l"><a class="l" href="#429">429: </a>
</span><span id="430" class="l"><a class="l" href="#430">430: </a>        <span class="php-comment">// Use PHP's native function to do the initial wordwrap.</span>
</span><span id="431" class="l"><a class="l" href="#431">431: </a>        <span class="php-comment">// We set the cut flag to FALSE so that any individual words that are</span>
</span><span id="432" class="l"><a class="l" href="#432">432: </a>        <span class="php-comment">// too long get left alone.  In the next step we'll deal with them.</span>
</span><span id="433" class="l"><a class="l" href="#433">433: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">wordwrap</span>(<span class="php-var">$str</span>, <span class="php-var">$charlim</span>, <span class="php-quote">&quot;\n&quot;</span>, <span class="php-keyword1">FALSE</span>);
</span><span id="434" class="l"><a class="l" href="#434">434: </a>
</span><span id="435" class="l"><a class="l" href="#435">435: </a>        <span class="php-comment">// Split the string into individual lines of text and cycle through them</span>
</span><span id="436" class="l"><a class="l" href="#436">436: </a>        <span class="php-var">$output</span> = <span class="php-quote">&quot;&quot;</span>;
</span><span id="437" class="l"><a class="l" href="#437">437: </a>        <span class="php-keyword1">foreach</span> (<span class="php-keyword2">explode</span>(<span class="php-quote">&quot;\n&quot;</span>, <span class="php-var">$str</span>) <span class="php-keyword1">as</span> <span class="php-var">$line</span>)
</span><span id="438" class="l"><a class="l" href="#438">438: </a>        {
</span><span id="439" class="l"><a class="l" href="#439">439: </a>            <span class="php-comment">// Is the line within the allowed character count?</span>
</span><span id="440" class="l"><a class="l" href="#440">440: </a>            <span class="php-comment">// If so we'll join it to the output and continue</span>
</span><span id="441" class="l"><a class="l" href="#441">441: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$line</span>) &lt;= <span class="php-var">$charlim</span>)
</span><span id="442" class="l"><a class="l" href="#442">442: </a>            {
</span><span id="443" class="l"><a class="l" href="#443">443: </a>                <span class="php-var">$output</span> .= <span class="php-var">$line</span>.<span class="php-quote">&quot;\n&quot;</span>;
</span><span id="444" class="l"><a class="l" href="#444">444: </a>                <span class="php-keyword1">continue</span>;
</span><span id="445" class="l"><a class="l" href="#445">445: </a>            }
</span><span id="446" class="l"><a class="l" href="#446">446: </a>
</span><span id="447" class="l"><a class="l" href="#447">447: </a>            <span class="php-var">$temp</span> = <span class="php-quote">''</span>;
</span><span id="448" class="l"><a class="l" href="#448">448: </a>            <span class="php-keyword1">while</span> ((<span class="php-keyword2">strlen</span>(<span class="php-var">$line</span>)) &gt; <span class="php-var">$charlim</span>)
</span><span id="449" class="l"><a class="l" href="#449">449: </a>            {
</span><span id="450" class="l"><a class="l" href="#450">450: </a>                <span class="php-comment">// If the over-length word is a URL we won't wrap it</span>
</span><span id="451" class="l"><a class="l" href="#451">451: </a>                <span class="php-keyword1">if</span> (<span class="php-keyword2">preg_match</span>(<span class="php-quote">&quot;!\[url.+\]|://|wwww.!&quot;</span>, <span class="php-var">$line</span>))
</span><span id="452" class="l"><a class="l" href="#452">452: </a>                {
</span><span id="453" class="l"><a class="l" href="#453">453: </a>                    <span class="php-keyword1">break</span>;
</span><span id="454" class="l"><a class="l" href="#454">454: </a>                }
</span><span id="455" class="l"><a class="l" href="#455">455: </a>
</span><span id="456" class="l"><a class="l" href="#456">456: </a>                <span class="php-comment">// Trim the word down</span>
</span><span id="457" class="l"><a class="l" href="#457">457: </a>                <span class="php-var">$temp</span> .= <span class="php-keyword2">substr</span>(<span class="php-var">$line</span>, <span class="php-num">0</span>, <span class="php-var">$charlim</span>-<span class="php-num">1</span>);
</span><span id="458" class="l"><a class="l" href="#458">458: </a>                <span class="php-var">$line</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$line</span>, <span class="php-var">$charlim</span>-<span class="php-num">1</span>);
</span><span id="459" class="l"><a class="l" href="#459">459: </a>            }
</span><span id="460" class="l"><a class="l" href="#460">460: </a>
</span><span id="461" class="l"><a class="l" href="#461">461: </a>            <span class="php-comment">// If $temp contains data it means we had to split up an over-length</span>
</span><span id="462" class="l"><a class="l" href="#462">462: </a>            <span class="php-comment">// word into smaller chunks so we'll add it back to our current line</span>
</span><span id="463" class="l"><a class="l" href="#463">463: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$temp</span> != <span class="php-quote">''</span>)
</span><span id="464" class="l"><a class="l" href="#464">464: </a>            {
</span><span id="465" class="l"><a class="l" href="#465">465: </a>                <span class="php-var">$output</span> .= <span class="php-var">$temp</span>.<span class="php-quote">&quot;\n&quot;</span>.<span class="php-var">$line</span>;
</span><span id="466" class="l"><a class="l" href="#466">466: </a>            }
</span><span id="467" class="l"><a class="l" href="#467">467: </a>            <span class="php-keyword1">else</span>
</span><span id="468" class="l"><a class="l" href="#468">468: </a>            {
</span><span id="469" class="l"><a class="l" href="#469">469: </a>                <span class="php-var">$output</span> .= <span class="php-var">$line</span>;
</span><span id="470" class="l"><a class="l" href="#470">470: </a>            }
</span><span id="471" class="l"><a class="l" href="#471">471: </a>
</span><span id="472" class="l"><a class="l" href="#472">472: </a>            <span class="php-var">$output</span> .= <span class="php-quote">&quot;\n&quot;</span>;
</span><span id="473" class="l"><a class="l" href="#473">473: </a>        }
</span><span id="474" class="l"><a class="l" href="#474">474: </a>
</span><span id="475" class="l"><a class="l" href="#475">475: </a>        <span class="php-comment">// Put our markers back</span>
</span><span id="476" class="l"><a class="l" href="#476">476: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">count</span>(<span class="php-var">$unwrap</span>) &gt; <span class="php-num">0</span>)
</span><span id="477" class="l"><a class="l" href="#477">477: </a>        {
</span><span id="478" class="l"><a class="l" href="#478">478: </a>            <span class="php-keyword1">foreach</span> (<span class="php-var">$unwrap</span> <span class="php-keyword1">as</span> <span class="php-var">$key</span> =&gt; <span class="php-var">$val</span>)
</span><span id="479" class="l"><a class="l" href="#479">479: </a>            {
</span><span id="480" class="l"><a class="l" href="#480">480: </a>                <span class="php-var">$output</span> = <span class="php-keyword2">str_replace</span>(<span class="php-quote">&quot;{{unwrapped&quot;</span>.<span class="php-var">$key</span>.<span class="php-quote">&quot;}}&quot;</span>, <span class="php-var">$val</span>, <span class="php-var">$output</span>);
</span><span id="481" class="l"><a class="l" href="#481">481: </a>            }
</span><span id="482" class="l"><a class="l" href="#482">482: </a>        }
</span><span id="483" class="l"><a class="l" href="#483">483: </a>
</span><span id="484" class="l"><a class="l" href="#484">484: </a>        <span class="php-comment">// Remove the unwrap tags</span>
</span><span id="485" class="l"><a class="l" href="#485">485: </a>        <span class="php-var">$output</span> = <span class="php-keyword2">str_replace</span>(<span class="php-keyword1">array</span>(<span class="php-quote">'{unwrap}'</span>, <span class="php-quote">'{/unwrap}'</span>), <span class="php-quote">''</span>, <span class="php-var">$output</span>);
</span><span id="486" class="l"><a class="l" href="#486">486: </a>
</span><span id="487" class="l"><a class="l" href="#487">487: </a>        <span class="php-keyword1">return</span> <span class="php-var">$output</span>;
</span><span id="488" class="l"><a class="l" href="#488">488: </a>    }
</span><span id="489" class="l"><a class="l" href="#489">489: </a>}
</span><span id="490" class="l"><a class="l" href="#490">490: </a>
</span><span id="491" class="l"><a class="l" href="#491">491: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="492" class="l"><a class="l" href="#492">492: </a>
</span><span id="493" class="l"><a class="l" href="#493">493: </a><span class="php-comment">/**
</span></span><span id="494" class="l"><a class="l" href="#494">494: </a><span class="php-comment"> * Ellipsize String
</span></span><span id="495" class="l"><a class="l" href="#495">495: </a><span class="php-comment"> *
</span></span><span id="496" class="l"><a class="l" href="#496">496: </a><span class="php-comment"> * This function will strip tags from a string, split it at its max_length and ellipsize
</span></span><span id="497" class="l"><a class="l" href="#497">497: </a><span class="php-comment"> *
</span></span><span id="498" class="l"><a class="l" href="#498">498: </a><span class="php-comment"> * @param   string      string to ellipsize
</span></span><span id="499" class="l"><a class="l" href="#499">499: </a><span class="php-comment"> * @param   integer     max length of string
</span></span><span id="500" class="l"><a class="l" href="#500">500: </a><span class="php-comment"> * @param   mixed       int (1|0) or float, .5, .2, etc for position to split
</span></span><span id="501" class="l"><a class="l" href="#501">501: </a><span class="php-comment"> * @param   string      ellipsis ; Default '...'
</span></span><span id="502" class="l"><a class="l" href="#502">502: </a><span class="php-comment"> * @return  string      ellipsized string
</span></span><span id="503" class="l"><a class="l" href="#503">503: </a><span class="php-comment"> */</span>
</span><span id="504" class="l"><a class="l" href="#504">504: </a><span class="php-keyword1">if</span> ( ! <span class="php-keyword2">function_exists</span>(<span class="php-quote">'ellipsize'</span>))
</span><span id="505" class="l"><a class="l" href="#505">505: </a>{
</span><span id="506" class="l"><a class="l" href="#506">506: </a>    <span class="php-keyword1">function</span> <a id="_ellipsize" href="#_ellipsize">ellipsize</a>(<span class="php-var">$str</span>, <span class="php-var">$max_length</span>, <span class="php-var">$position</span> = <span class="php-num">1</span>, <span class="php-var">$ellipsis</span> = <span class="php-quote">'&amp;hellip;'</span>)
</span><span id="507" class="l"><a class="l" href="#507">507: </a>    {
</span><span id="508" class="l"><a class="l" href="#508">508: </a>        <span class="php-comment">// Strip tags</span>
</span><span id="509" class="l"><a class="l" href="#509">509: </a>        <span class="php-var">$str</span> = <span class="php-keyword2">trim</span>(<span class="php-keyword2">strip_tags</span>(<span class="php-var">$str</span>));
</span><span id="510" class="l"><a class="l" href="#510">510: </a>
</span><span id="511" class="l"><a class="l" href="#511">511: </a>        <span class="php-comment">// Is the string long enough to ellipsize?</span>
</span><span id="512" class="l"><a class="l" href="#512">512: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$str</span>) &lt;= <span class="php-var">$max_length</span>)
</span><span id="513" class="l"><a class="l" href="#513">513: </a>        {
</span><span id="514" class="l"><a class="l" href="#514">514: </a>            <span class="php-keyword1">return</span> <span class="php-var">$str</span>;
</span><span id="515" class="l"><a class="l" href="#515">515: </a>        }
</span><span id="516" class="l"><a class="l" href="#516">516: </a>
</span><span id="517" class="l"><a class="l" href="#517">517: </a>        <span class="php-var">$beg</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$str</span>, <span class="php-num">0</span>, <span class="php-keyword2">floor</span>(<span class="php-var">$max_length</span> * <span class="php-var">$position</span>));
</span><span id="518" class="l"><a class="l" href="#518">518: </a>
</span><span id="519" class="l"><a class="l" href="#519">519: </a>        <span class="php-var">$position</span> = (<span class="php-var">$position</span> &gt; <span class="php-num">1</span>) ? <span class="php-num">1</span> : <span class="php-var">$position</span>;
</span><span id="520" class="l"><a class="l" href="#520">520: </a>
</span><span id="521" class="l"><a class="l" href="#521">521: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$position</span> === <span class="php-num">1</span>)
</span><span id="522" class="l"><a class="l" href="#522">522: </a>        {
</span><span id="523" class="l"><a class="l" href="#523">523: </a>            <span class="php-var">$end</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$str</span>, <span class="php-num">0</span>, -(<span class="php-var">$max_length</span> - <span class="php-keyword2">strlen</span>(<span class="php-var">$beg</span>)));
</span><span id="524" class="l"><a class="l" href="#524">524: </a>        }
</span><span id="525" class="l"><a class="l" href="#525">525: </a>        <span class="php-keyword1">else</span>
</span><span id="526" class="l"><a class="l" href="#526">526: </a>        {
</span><span id="527" class="l"><a class="l" href="#527">527: </a>            <span class="php-var">$end</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$str</span>, -(<span class="php-var">$max_length</span> - <span class="php-keyword2">strlen</span>(<span class="php-var">$beg</span>)));
</span><span id="528" class="l"><a class="l" href="#528">528: </a>        }
</span><span id="529" class="l"><a class="l" href="#529">529: </a>
</span><span id="530" class="l"><a class="l" href="#530">530: </a>        <span class="php-keyword1">return</span> <span class="php-var">$beg</span>.<span class="php-var">$ellipsis</span>.<span class="php-var">$end</span>;
</span><span id="531" class="l"><a class="l" href="#531">531: </a>    }
</span><span id="532" class="l"><a class="l" href="#532">532: </a>}
</span><span id="533" class="l"><a class="l" href="#533">533: </a>
</span><span id="534" class="l"><a class="l" href="#534">534: </a><span class="php-comment">/* End of file text_helper.php */</span>
</span><span id="535" class="l"><a class="l" href="#535">535: </a></span><span class="php-comment">/* Location: ./system/helpers/text_helper.php */</span></code></pre>

	<div id="footer">
		tis API documentation generated by <a href="http://apigen.org">ApiGen 2.8.0</a>
	</div>
</div>
</div>
</body>
</html>
